Different layers of the atmosphere

These are the different layers of the atmosphere.

The first layer is called the troposphere.The troposphere is the lowest portion of Earths atmosphere. It contains approximately 75% of the atmosphere's mass and almost all of its water vapour and aerosols.The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere. It is stratified in temperature, with warmer layers higher up and cooler layers farther down. This is in contrast to the troposphere near the Earth's surface, which is cooler higher up and warmer farther down.The mesosphere is the layer of the Earth's atmosphere that is directly above the stratosphere and directly below the thermosphere. The mesosphere is located from about 50 km to 80-90 km altitude above Earth's surface. Within this layer, temperature decreases with increasing altitude due to decreasing solar heating and increasing cooling by CO2 radiative emission.

The ionosphere is the uppermost part of the atmosphere, distinguished because it is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner edge of the magnetosphere.